Harlequin WoodSpring is a permanently installed sprung floor system. It is a modern update of the traditional 'basket weave' construction. It is a counterbatten configuration comprising at least three layers of highly flexible softwood battens, arranged at right angles.

The intermediate layer acts as a spring to the top layer, which is laid at the centre of the span formed by the intermediate layer over the bottom layer. Theoretically, the more intermediate layers incorporated in a basket weave floor the more flexible it becomes.

In the Harlequin WoodSpring system, shock absorption and energy return are enhanced by pads attached to the underside of the bottom layer. Onto this structure are installed two layers of flexible panels (typically MDF), which support the Harlequin dance floor.

Harlequin vinyl surface: for all types of dance, but particularly ballet.

General:

Finish: Harlequin vinyl performance floor.
Top layer: moisture-resistant or, optionally, solid wood or engineered panels.
Top layer: Birch Plywood.
Lower layers: Triple layer of custom machined southern yellow pine and dual density shock dampening elastomer blocks.
Total thickness: 91 mm without the Harlequin performance surface.
Theatre stage blanket load: 5.0 kN/m² (509 kg/m²).
Theatre stage concentrated load: 3.6 kN/m² (367 kg/m²).

Tested in accordance with EN 14904-2006:

Shock absorption: 64%.
Vertical deformation: 3.3 mm.
Area deflection: 14.9%.
Rolling load: >1500 N.

EN 14904-2006 Harlequin Woodspring with Vinyl